Setup instructions for payment module
1) In parameters.py, set the following:
PAYPAL_USERNAME = Paypal username from developer.paypal.com
PAYPAL_PASSWORD = Paypal password from developer.paypal.com
PAYPAL_SIGNATURE = Paypal signature from developer.paypal.com
PAYPAL_APPID = 'APP-80W284485P519543T' (for all sandbox apps), or the real APPID
BASE_URL = Set this to the server IP address that is accessible via port 80.
Local IP addresses, or non-port 80 addresses will NOT work with paypal IPN.
COMPLETE_URL = relative local URL for a plege confirmation
CANCEL_URL = relative local url for a pledge cacellation
2) Sync the database to include the payment specific tables
3) Configure your paypal sandbox account at developer.paypal.com with at least 1 seller and 1 buyer. The buyer info is entered into the sandbox, the seller
info needs to be entered into the pledge/payment itself
4) A test pledge code sample is available in regluit.payment.view.testPledge